/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 22:39:22,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 22:39:22,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 22:39:22,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 22:39:22,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 22:39:22,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 22:39:22,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 22:39:22,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 22:39:22,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 22:39:22,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 22:39:22,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 22:39:22,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 22:39:22,205 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 22:39:22,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 22:39:22,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 22:39:22,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 22:39:22,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 22:39:22,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 22:39:22,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 22:39:22,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 22:39:22,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 22:39:22,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 22:39:22,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 22:39:22,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 22:39:22,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 22:39:22,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 22:39:22,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 22:39:22,209 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 22:39:22,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 22:39:22,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 22:39:22,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 22:39:22,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 22:39:22,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 22:39:22,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 22:39:22,211 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 22:39:22,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 22:39:22,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 22:39:22,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 22:39:22,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 22:39:22,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 22:39:22,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 22:39:22,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 22:39:22,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 22:39:22,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 22:39:22,443 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 22:39:22,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-06 22:39:23,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 22:39:23,539 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 22:39:23,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-06 22:39:23,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6077f341e/1b1703d4f3084b0b894cf92110c09254/FLAGc26626bbf [2024-05-06 22:39:23,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6077f341e/1b1703d4f3084b0b894cf92110c09254 [2024-05-06 22:39:23,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 22:39:23,558 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 22:39:23,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 22:39:23,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 22:39:23,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 22:39:23,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dde2a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23, skipping insertion in model container [2024-05-06 22:39:23,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 22:39:23,702 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2024-05-06 22:39:23,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 22:39:23,718 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 22:39:23,738 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2024-05-06 22:39:23,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 22:39:23,751 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 22:39:23,751 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 22:39:23,756 INFO L206 MainTranslator]: Completed translation [2024-05-06 22:39:23,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23 WrapperNode [2024-05-06 22:39:23,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 22:39:23,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 22:39:23,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 22:39:23,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 22:39:23,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,787 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-05-06 22:39:23,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 22:39:23,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 22:39:23,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 22:39:23,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 22:39:23,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 22:39:23,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 22:39:23,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 22:39:23,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 22:39:23,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (1/1) ... [2024-05-06 22:39:23,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 22:39:23,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:23,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 22:39:23,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 22:39:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 22:39:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 22:39:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 22:39:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 22:39:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 22:39:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 22:39:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 22:39:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 22:39:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 22:39:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 22:39:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 22:39:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 22:39:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 22:39:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 22:39:23,906 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 22:39:23,982 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 22:39:23,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 22:39:24,128 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 22:39:24,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 22:39:24,161 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-06 22:39:24,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:39:24 BoogieIcfgContainer [2024-05-06 22:39:24,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 22:39:24,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 22:39:24,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 22:39:24,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 22:39:24,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 10:39:23" (1/3) ... [2024-05-06 22:39:24,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4894b733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:39:24, skipping insertion in model container [2024-05-06 22:39:24,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:39:23" (2/3) ... [2024-05-06 22:39:24,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4894b733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:39:24, skipping insertion in model container [2024-05-06 22:39:24,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:39:24" (3/3) ... [2024-05-06 22:39:24,169 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2024-05-06 22:39:24,175 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 22:39:24,182 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 22:39:24,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 22:39:24,182 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 22:39:24,217 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 22:39:24,251 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 22:39:24,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 22:39:24,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:24,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 22:39:24,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 22:39:24,278 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 22:39:24,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:24,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 22:39:24,293 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3289bfc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 22:39:24,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 22:39:24,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1803503277, now seen corresponding path program 1 times [2024-05-06 22:39:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:24,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:39:24,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:24,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:39:24,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 22:39:24,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 22:39:24,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1041553886, now seen corresponding path program 1 times [2024-05-06 22:39:24,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:24,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:25,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:25,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:25,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 22:39:25,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:25,193 INFO L85 PathProgramCache]: Analyzing trace with hash -775752303, now seen corresponding path program 1 times [2024-05-06 22:39:25,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:39:25,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367394513] [2024-05-06 22:39:25,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:25,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:25,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:25,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:39:25,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367394513] [2024-05-06 22:39:25,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367394513] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 22:39:25,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 22:39:25,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 22:39:25,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387840797] [2024-05-06 22:39:25,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 22:39:25,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 22:39:25,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:39:25,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 22:39:25,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-06 22:39:25,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:25,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:39:25,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:39:25,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:25,488 INFO L85 PathProgramCache]: Analyzing trace with hash 960795488, now seen corresponding path program 1 times [2024-05-06 22:39:25,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:25,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-06 22:39:25,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:25,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-06 22:39:25,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:25,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-06 22:39:25,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 22:39:25,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:25,647 INFO L85 PathProgramCache]: Analyzing trace with hash -118411185, now seen corresponding path program 1 times [2024-05-06 22:39:25,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:39:25,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941107809] [2024-05-06 22:39:25,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:25,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:25,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:39:25,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941107809] [2024-05-06 22:39:25,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941107809] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:39:25,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944107591] [2024-05-06 22:39:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:25,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:39:25,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:25,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:39:25,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 22:39:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:25,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-06 22:39:25,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:39:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:26,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:39:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 22:39:26,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944107591] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:39:26,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:39:26,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 22 [2024-05-06 22:39:26,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936895424] [2024-05-06 22:39:26,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:39:26,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-06 22:39:26,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:39:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-06 22:39:26,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2024-05-06 22:39:26,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:26,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:39:26,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.7272727272727275) internal successors, (148), 22 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:39:26,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:26,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:26,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1795456098, now seen corresponding path program 2 times [2024-05-06 22:39:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:26,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 22:39:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 22:39:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1870666881, now seen corresponding path program 3 times [2024-05-06 22:39:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:39:27,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 22:39:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 22:39:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:27,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:27,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 22:39:27,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-06 22:39:27,444 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 22:39:27,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:27,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2097839076, now seen corresponding path program 2 times [2024-05-06 22:39:27,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:39:27,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426871469] [2024-05-06 22:39:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:27,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-06 22:39:27,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:39:27,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426871469] [2024-05-06 22:39:27,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426871469] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:39:27,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641945977] [2024-05-06 22:39:27,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 22:39:27,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:39:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:27,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:39:27,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 22:39:27,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 22:39:27,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:39:27,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-06 22:39:27,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:39:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-06 22:39:27,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:39:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:28,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641945977] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:39:28,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:39:28,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 13] total 15 [2024-05-06 22:39:28,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225510516] [2024-05-06 22:39:28,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:39:28,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 22:39:28,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:39:28,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 22:39:28,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-06 22:39:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:28,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:39:28,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:39:28,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:28,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:28,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:28,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1926438782, now seen corresponding path program 4 times [2024-05-06 22:39:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 22:39:28,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:28,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 22:39:28,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1941331041, now seen corresponding path program 5 times [2024-05-06 22:39:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 22:39:29,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:29,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 22:39:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:39:29,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 22:39:29,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-05-06 22:39:29,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 22:39:29,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:29,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1748303812, now seen corresponding path program 3 times [2024-05-06 22:39:29,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:39:29,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989617090] [2024-05-06 22:39:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:29,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 29 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-06 22:39:29,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:39:29,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989617090] [2024-05-06 22:39:29,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989617090] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:39:29,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151263313] [2024-05-06 22:39:29,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 22:39:29,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:39:29,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:29,840 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:39:29,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 22:39:29,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-06 22:39:29,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:39:29,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-06 22:39:29,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:39:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 18 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:30,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:39:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 22:39:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151263313] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:39:30,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:39:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 16] total 55 [2024-05-06 22:39:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80501958] [2024-05-06 22:39:30,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:39:30,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-05-06 22:39:30,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:39:30,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-05-06 22:39:30,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2575, Unknown=0, NotChecked=0, Total=2970 [2024-05-06 22:39:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:30,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:39:30,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.236363636363636) internal successors, (233), 55 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:39:30,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:30,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:30,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 22:39:30,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 22:39:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 22:39:32,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 22:39:32,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-06 22:39:32,661 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 22:39:32,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:32,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1249700590, now seen corresponding path program 4 times [2024-05-06 22:39:32,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:39:32,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686545642] [2024-05-06 22:39:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:32,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 133 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-06 22:39:33,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:39:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686545642] [2024-05-06 22:39:33,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686545642] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:39:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898301016] [2024-05-06 22:39:33,087 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 22:39:33,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:39:33,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:33,090 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:39:33,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 22:39:33,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 22:39:33,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:39:33,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-06 22:39:33,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:39:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:33,823 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:39:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 106 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:35,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898301016] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:39:35,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:39:35,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 31, 30] total 77 [2024-05-06 22:39:35,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670334373] [2024-05-06 22:39:35,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:39:35,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-05-06 22:39:35,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:39:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-05-06 22:39:35,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=5008, Unknown=0, NotChecked=0, Total=5852 [2024-05-06 22:39:35,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:35,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:39:35,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.207792207792208) internal successors, (247), 77 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:39:35,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:35,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:35,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 22:39:35,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 22:39:35,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:37,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 22:39:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 22:39:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-06 22:39:37,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 22:39:37,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-06 22:39:37,972 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 22:39:37,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:37,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1446356590, now seen corresponding path program 5 times [2024-05-06 22:39:37,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:39:37,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059194917] [2024-05-06 22:39:37,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:37,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-06 22:39:38,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:39:38,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059194917] [2024-05-06 22:39:38,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059194917] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:39:38,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425049213] [2024-05-06 22:39:38,425 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 22:39:38,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:39:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:38,426 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:39:38,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 22:39:38,494 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-06 22:39:38,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:39:38,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-06 22:39:38,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:39:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 22:39:38,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:39:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 37 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 22:39:38,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425049213] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:39:38,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:39:38,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 6] total 20 [2024-05-06 22:39:38,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788926706] [2024-05-06 22:39:38,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:39:38,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-06 22:39:38,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:39:38,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-06 22:39:38,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-05-06 22:39:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:38,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:39:38,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:39:38,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:38,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:38,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 22:39:38,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 22:39:38,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-06 22:39:38,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:39,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 22:39:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 22:39:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-06 22:39:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:39:39,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 22:39:39,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:39:39,813 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 22:39:39,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 22:39:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash 792968464, now seen corresponding path program 6 times [2024-05-06 22:39:39,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 22:39:39,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670195533] [2024-05-06 22:39:39,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 22:39:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 22:39:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 22:39:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 391 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-06 22:39:40,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 22:39:40,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670195533] [2024-05-06 22:39:40,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670195533] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 22:39:40,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674340454] [2024-05-06 22:39:40,886 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 22:39:40,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:39:40,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 22:39:40,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 22:39:40,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 22:39:40,974 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-06 22:39:40,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 22:39:40,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 57 conjunts are in the unsatisfiable core [2024-05-06 22:39:40,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 22:39:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 18 proven. 518 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 22:39:42,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 22:39:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 178 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 22:39:47,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674340454] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 22:39:47,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 22:39:47,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 47, 49] total 117 [2024-05-06 22:39:47,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156341016] [2024-05-06 22:39:47,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 22:39:47,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-05-06 22:39:47,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 22:39:47,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-05-06 22:39:47,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1539, Invalid=12033, Unknown=0, NotChecked=0, Total=13572 [2024-05-06 22:39:47,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:39:47,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 22:39:47,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.7777777777777777) internal successors, (325), 117 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 22:39:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:39:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 22:39:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 22:39:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 22:39:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-06 22:39:47,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 22:39:47,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 22:40:06,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 22:40:06,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 22:40:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 22:40:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-05-06 22:40:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-06 22:40:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 22:40:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-06 22:40:06,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 22:40:06,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 22:40:06,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 22:40:06,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-06 22:40:06,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 22:40:06,914 INFO L448 BasicCegarLoop]: Path program histogram: [6, 5, 1, 1, 1] [2024-05-06 22:40:06,915 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 22:40:06,916 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 22:40:06,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 10:40:06 BasicIcfg [2024-05-06 22:40:06,918 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 22:40:06,918 INFO L158 Benchmark]: Toolchain (without parser) took 43360.75ms. Allocated memory was 195.0MB in the beginning and 961.5MB in the end (delta: 766.5MB). Free memory was 129.0MB in the beginning and 721.9MB in the end (delta: -593.0MB). Peak memory consumption was 174.3MB. Max. memory is 8.0GB. [2024-05-06 22:40:06,918 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 22:40:06,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.34ms. Allocated memory is still 195.0MB. Free memory was 128.8MB in the beginning and 117.6MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 22:40:06,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.12ms. Allocated memory is still 195.0MB. Free memory was 117.6MB in the beginning and 115.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 22:40:06,919 INFO L158 Benchmark]: Boogie Preprocessor took 24.67ms. Allocated memory is still 195.0MB. Free memory was 115.9MB in the beginning and 114.7MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 22:40:06,920 INFO L158 Benchmark]: RCFGBuilder took 349.95ms. Allocated memory was 195.0MB in the beginning and 290.5MB in the end (delta: 95.4MB). Free memory was 114.6MB in the beginning and 251.0MB in the end (delta: -136.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2024-05-06 22:40:06,920 INFO L158 Benchmark]: TraceAbstraction took 42753.52ms. Allocated memory was 290.5MB in the beginning and 961.5MB in the end (delta: 671.1MB). Free memory was 249.9MB in the beginning and 721.9MB in the end (delta: -472.0MB). Peak memory consumption was 199.1MB. Max. memory is 8.0GB. [2024-05-06 22:40:06,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.34ms. Allocated memory is still 195.0MB. Free memory was 128.8MB in the beginning and 117.6MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.12ms. Allocated memory is still 195.0MB. Free memory was 117.6MB in the beginning and 115.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.67ms. Allocated memory is still 195.0MB. Free memory was 115.9MB in the beginning and 114.7MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 349.95ms. Allocated memory was 195.0MB in the beginning and 290.5MB in the end (delta: 95.4MB). Free memory was 114.6MB in the beginning and 251.0MB in the end (delta: -136.4MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * TraceAbstraction took 42753.52ms. Allocated memory was 290.5MB in the beginning and 961.5MB in the end (delta: 671.1MB). Free memory was 249.9MB in the beginning and 721.9MB in the end (delta: -472.0MB). Peak memory consumption was 199.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69664, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 3701, dependent conditional: 3698, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 67061, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67061, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67061, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 28172, independent unconditional: 37791, dependent: 4321, dependent conditional: 3218, dependent unconditional: 1103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 432, independent: 376, independent conditional: 54, independent unconditional: 322, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 432, independent: 351, independent conditional: 0, independent unconditional: 351, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, independent: 65, independent conditional: 65, independent unconditional: 0, dependent: 147, dependent conditional: 123, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70284, independent: 65587, independent conditional: 23536, independent unconditional: 42051, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 432, unknown conditional: 108, unknown unconditional: 324] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 376, Positive conditional cache size: 54, Positive unconditional cache size: 322, Negative cache size: 56, Negative conditional cache size: 54, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4588, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 28172, independent unconditional: 37791, dependent: 4321, dependent conditional: 3218, dependent unconditional: 1103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 432, independent: 376, independent conditional: 54, independent unconditional: 322, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 432, independent: 351, independent conditional: 0, independent unconditional: 351, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, independent: 65, independent conditional: 65, independent unconditional: 0, dependent: 147, dependent conditional: 123, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70284, independent: 65587, independent conditional: 23536, independent unconditional: 42051, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 432, unknown conditional: 108, unknown unconditional: 324] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 376, Positive conditional cache size: 54, Positive unconditional cache size: 322, Negative cache size: 56, Negative conditional cache size: 54, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4588 ], Independence queries for same thread: 2603 - PositiveResult [Line: 77]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 42.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 26.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 617, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1268 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 15588 SizeOfPredicates, 100 NumberOfNonLiveVariables, 1170 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 1144/3205 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 2.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 10, ConditionalCommutativityTraceChecks: 7, ConditionalCommutativityImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 22:40:06,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-06 22:40:07,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...